<template>
  <div class="recommend">
    <!--坑点: 使用recommend.length 来确定执行机制的顺序 -->
    <scroll ref="scroll" class="recommend-content" :data="discList">
      <div>
        <div v-if="recommends.length" class="slider-wrapper" ref="sliderWrapper">
          <slider>
            <div v-for="(item,index) in recommends" :key="index">
              <a :href="item.linkUrl">
                <img @load="loadImage" :src="item.picUrl" alt>
              </a>
            </div>
          </slider>
        </div>
        <div class="recommend-list">
          <h1 class="list-title">热门歌曲推荐</h1>
          <ul>
            <li v-for="(item, index) in discList" :key="index" class="item">
              <div class="icon">
                <img width=60 height=60 v-lazy="item.imgurl" alt="">
              </div>
              <div class="text">
                <h2 class="name" v-html="item.creator.name"></h2>
                <p class="desc">{{item.dissname}}</p>
              </div>
            </li>
          </ul>
        </div>
      </div>
      <div class="loading-container" v-show="!discList.length">
        <loading></loading>
      </div>
    </scroll>
  </div>
</template>

<script>
import Scroll from 'base/scroll/scroll'
import Slider from 'base/slider/slider'
import Loading from 'base/loading/loading'
import {
  getRecommend,
  getDiscList
} from 'api/recommend'
import {
  ERR_OK
} from 'api/config'
export default {
  data() {
    return {
      recommends: [],
      discList: []
    }
  },
  components: {
    Slider,
    Scroll,
    Loading
  },
  props: {},
  watch: {},
  computed: {},
  methods: {
    _getRecommend() { // 获取轮播图数据
      getRecommend().then(res => {
        if (res.code === ERR_OK) {
          this.recommends = res.data.slider
        }
      })
    },
    _getDiscList() {
      getDiscList().then(res => {
        if (res.code === ERR_OK) {
          this.discList = res.data.list
          // console.log(res.data)
        }
      })
    },
    loadImage() { // 处理滑到底部不会显示完整高度
      if (!this.checkloaded) {
        this.$refs.scroll.refresh()
        this.checkloaded = true
      }
    }
  },
  created() {
    this._getRecommend()
    this._getDiscList()
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
@import '~common/stylus/variable.styl'
.recommend
  position: fixed
  width: 100%
  top: 88px
  bottom: 0
  .recommend-content
    height: 100%
    overflow: hidden
    .slider-wrapper
      position: relative
      width: 100%
      overflow: hidden
    .recommend-list
      .list-title
        height: 65px
        line-height: 65px
        text-align: center
        font-size: $font-size-medium
        color: $color-theme
      .item
        display: flex
        box-sizing: border-box
        align-items: center
        padding: 0 20px 20px 20px
        .icon
          flex: 0 0 60px
          width: 60px
          padding-right: 20px
          img
            border-radius: 50%
        .text
           display: flex
           flex-direction: column
           flex: 1
           line-height: 20px
           font-size:$font-size-medium
           .name
             margin-bottom: 10px
             color: #fff
            .desc
              color: $color-text-d
    .loading-container
      position: absolute
      width: 100%
      top: 50%
      transform: translateY(-50%)
</style>
